


Dr. Mark Posner, MD
Dr. Mark Posner, MD is an allergist-immunologist in Collegeville, PA and has over 35 years of experience in the medical field. Dr. Posner has extensive experience in Environmental Allergies and Food & Drug Allergies. He graduated from Rutgers Robert Wood Johnson Medical School in 1985. He is affiliated with medical facilities such as Reading Hospital and Paoli Hospital. He is not accepting new patients.
Allergy & Asthma Specialists
534 Second Ave Ste 105 Collegeville, PA 19426At a Glance
- Area of Expertise
- Explains Conditions Well
- Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital

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Dr. Posner's Reviews
Likelihood to recommend Dr. Posner
4.9
5 Star | 93% | 93% |
4 Star | 5% | 5% |
3 Star | 1% | 1% |
2 Star | 1% | 1% |
1 Star | 0% | 0% |
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How was your experience with Dr. Posner?Overall Patient Satisfaction
Likelihood of recommending Dr. Posner to family and friends is 4.9069376 out of 5
About Me
care philosophy
Dr. Mark Posner graduate with a medical degree from University of Medicine and Dentistry of New Jersey, He has his pediatric residency at Babies Hospital of Columbia Presbyterian Medical Center and his allergy and immunology fellowship at Schneider...read morebiography
Dr. Mark Posner, MD, is a board certified allergist with Allergy and Asthma Specialists seeing patients of all ages.Allergy & Immunology
Allergy
Pediatrics
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Li Jewish Medical Center
Fellowship HospitalLong Island Jewish Medica
Fellowship HospitalSchneider Children's Hospital
Fellowship HospitalColum Presby
Residency HospitalRutgers Robert Wood Johnson Medical School
Medical School, 1985
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkAmerican College of Allergy, Fellow
Pennsylvania Allergy and Asthma Association, Member
Philadelphia Allergy Society, Member
American Academy of Allergy, Fellow
Focus on Eczema
Locations
Allergy & Asthma Specialists
Allergy & Asthma Specialists-Pottstown, PA
Affiliated Hospitals
- Recipient of 16
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 2023)
Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions
View all awardsOutstanding Patient Experience Award™ (2024, 2023, 2022)
Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions
View all patient feedbackHow patients felt about the care they received at this hospital.
88%Patients said they were given information about recovering at home4% higher than the national average
81%Patients said that nurses always listened to them and explained things well6% higher than the national average
- Recipient of 20
hospital awardsAmerica's 250 Best Hospitals Award™ (2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all awardsSurgical Care Excellence Award™ (2023)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
89%Patients said they were given information about recovering at home5% higher than the national average
80%Patients said that nurses always listened to them and explained things well5% higher than the national average
- Recipient of 1
hospital awardView all patient feedbackHow patients felt about the care they received at this hospital.
84%Patients said they were given information about recovering at home81%Patients said that nurses always listened to them and explained things well6% higher than the national average
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